Subwoofer



FIG. 1 is a front perspective view of the subwoofer.

FIG. 2 is a front left perspective view of the subwoofer.

FIG. 3 is a front view of the subwoofer.

FIG. 4 is a rear view of the subwoofer.

FIG. 5 is a side view with other side being a mirror image thereof of the subwoofer.

FIG. 6 is a bottom view of the subwoofer; and,

FIG. 7 is a top view of the subwoofer. 

The ornamental design for a subwoofer, as shown and described. 